Across
- 2. to throw away trash separately
- 3. sustainable things have it
- 7. such as solar power and wind power
- 8. a natural fuel such as coal or gas
- 9. to not throw away trash separately
- 11. a gradual increase in the earth's temperature generally due to the greenhouse effect caused by increased levels of carbon dioxide
- 12. able to continue without causing damage to the environment
Down
- 1. used materials that can be recycled
- 4. zero greenhouse gas emissions
- 5. the practice of burying waste under the ground
- 6. Reuse, Reduce, Recycle
- 10. a collection of 17 interlinked objectives